. Animal communities in temperate America : as illustrated in the Chicago region; a study in animal ecology. Animal ecology; Zoology -- Illinois Chicago. 200 WET FOREST COMMUNITIES Subterranean-ground stratum: The nymphs of the seventeen-year cicada and the two-year cicada together with earthworms are always numerous. The latter comes out on the ground under a log and ascends under the bark of dead trees during wet weather. On the ground one finds slugs (Agriolimax campestris). Under leaves, logs, and bark are snails (Circinaria concava, Polygyra profunda,. Representatives of the Flood-Plain F
. Animal communities in temperate America : as illustrated in the Chicago region; a study in animal ecology. Animal ecology; Zoology -- Illinois Chicago. 200 WET FOREST COMMUNITIES Subterranean-ground stratum: The nymphs of the seventeen-year cicada and the two-year cicada together with earthworms are always numerous. The latter comes out on the ground under a log and ascends under the bark of dead trees during wet weather. On the ground one finds slugs (Agriolimax campestris). Under leaves, logs, and bark are snails (Circinaria concava, Polygyra profunda,. Representatives of the Flood-Plain Forest Animal Communities Fig. 151.—A caterpillar (Symmerista albifrons) on the leaf of the soft maple; natural size. Fig. 152.—The common land sowbug (Porcellio rathkei); twice natural size. Fig. 153.—The scorpion fly (Panorpa venosa); much enlarged. Fig. 154.—A sphinx caterpillar,from Virginia creeper; natural size. Fig. 155.—The unicorn larva from dogwood; enlarged. Pyramidula alternata, and Polygyra clausa, and rarely thyroides). Land sowbugs are common (Fig. 152). Of the centipedes we note the long ground form {Geophilus sp.) and sometimes the large millipede (Spiro-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Shelford, Victor E. (Victor Ernest), b. 1877; Geographic Society of Chicago. Chicago, Ill. : Published for the Geographic Society of Chicago by the University of Chicago Press
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Keywords: ., bookcentury1900, bookcollectionbiodive, booksubjectanimalecology
